ML19331B902
| ML19331B902 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 08/07/1980 |
| From: | Janecek R COMMONWEALTH EDISON CO. |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8008130506 | |
| Download: ML19331B902 (8) | |
Text
O one First National Plaza, Chicago Illinois Commonwealth Edison Address Reply to: Post Office Box 767 IHIS DOCUMENT CONTAINS cnicago. iinnois 60690 i_
POOR QUALITY PAGES J
August 7, 1980 Mr. Di als M.
Crutchfield, Chief Operating Reactors - Branch 5 U.S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
Dresden Station Unit 1 Chemical Cleaning Solidification System Demonstration NRC Docket No. 50-10
Dear Mr. Crutchfield:
Enclosed for your use is information pertaining to the July 9 and 10, 1980 meeting and field demonstration of the Dresden 1 Chemical Cleaning waste solidificatico system.
In accordance with previous agreements with the NRC Staff, the following documents are enclosed:
1)
Attachment A, which outlines the iron and nickel concentrations in the simulated radwaste used in the demonstration.
This information was requested to assist in the performance of additional leach rate tests.
2)
The results of the " Water Immersion Test" (Ref. Test Procedures for NS-1 Solidified Waste, Handout prepared for the NRC dated July 9, 198C 3)
Identification Index for Corrosion Test Samples.
Please address any questions concerning this matter to this office.
One (1) signed original and thirty-nine (39) copies of this transmittal are provided for your use.
Very truly yours,
~
Robert F.
Janecek Nuclear Licensing Administrator Boiling Water Reactors 5850A 8008130 5%
?
5-4 14 1
1 4
" Attachment A" Iron (Fe) & Nickel (Ni) Concentration
- of Simulated Radwaste 1
J
- Atomic, Absorption Colorimetric j
Fe 6520 ppm 6600 ppm Ni 3070 ppm 3010 ppm i
1
- Determined by.Dow Nuclear Services 5
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Water Immersion Test Results Ref:
Test Procedures f or NS-1 Solidified Waste
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(Handout prepared for the NRC, July 9, 1980)
The purpose of this test was to determine the effect (if any) that water would have upon the structural integrity of the solid simulated radwaste matrix.
Sp ec ifi cally, this test was perf ormed using samples which were solidified in the Dresden Chemf:al Cleaning Facility.
The above referenced procedure was employed in the " Water Immersion Test."
Two samples were photographed (Photographs 1,2, & 3) and weighed in order to document their initial conditions.
The samples were placed i'n a beaker, sealed and then allowed to remain in the water f or a one week period, from July 10-July 17, 1980.
Following the required one week exposure period, the samples were removed from the water, reweighed and rephotographed (Photographs 5,6 7).
" Table A" shows the initial and final weight of the samples used in Ehe water immersion test.
As can be seen in the "before and after" photographs, exposing the samples to the presence of water for one week had no visible effect upon the structural integrity of the solidified simulated radwaste.
1 Additionally, there was a negligible weight change as a direct result of the water immersion test.
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" Table A" Initial / Final Weight of Water Immersion Test Samples Initial Final Weight Weight Sample (gm)
(gm) 1 130 130 2
130 131 1
1 5820A
4 Identification Index For Corrosion Test Samoles Location Sample #
Coupon #
Interval 1
00 Tp 1
2 00 Tp 2
1 3
00 Cr 1
4 00 Cr 2
5-00 Bm 1
6 00 Bm 2
7 30 Tp 1
8 30 Tp 2
9 30 Cr 1
-10 30 Cr 2
11 30 Bm 1
12 30 Bm 2
13 60 Tp 1
14 60 Tp 2
15 60 Cr 1
16 60 Cr 2
17 60 Bm 1
18' 60 Cm 2
i 19 90 Tp 1
20 90 Tp 2
21 90 Cr 1
2 22 90 Cr 2
23 90 Bm 1
i 24 90 Sm 2
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